2
NOTICES
Carefully read and follow instructions.
Use the unit only in ambient air temperatures of 35–100° F
(2–38° C) and water temperatures of 35–100°F (2–38° C).
This installation must comply with all applicable state and local
regulations.
Do not use with water that is microbiologically unsafe or of
unknown quality without adequate disinfection before or after the
system.
Do not expose the unit to direct sunlight or use this unit outdoors.
Do not use electrical heating tape on this unit.
Do not use pipe compound (“pipe dope”), sticks, or similar com-
pounds with this unit; they contain petroleum derivatives which will
cause crazing and cracking of the plastic in the filter.
Do not use aerosol sprays (bug spray, cleaning fluids, etc.) near the
filter; they contain organic solvents which will cause crazing and
cracking of the plastic in the filter.
Use only teflon tape without adhesive backing to seal joints.
Use only soap and water to clean filter housing and
components.
Change the cartridge every 3 months (or more often if you notice a
sustained drop in water pressure or a change in the quality of the
water). Follow the “Procedure For Cartridge Change” (Page 3) when
changing cartridges. Use only OMNIFILTER replacement
cartridges.
The fittings included with this unit allow for installation with 3/4”
copper pipe. If your plumbing is NOT 3/4” copper (for example, if it
is galvanized), additional fittings are required.
Install the unit vertically (with cartridge tank pointing down) ahead
of the hot water heater. Allow 3” clearance below the cartridge
tank to allow for changing the cartridge.
DO NOT use a torch near the unit.
This unit is designed for non-commercial use on cold water lines only.
Wear safety glasses during installation.
Risk of electrical shock. If your water pipes are
used to ground your house’s electrical system, install a No. 8
AWG (8.4mm
2
) jumper wire (or larger) around the filter (see
Figure 1). The jumper wire must be connected at both ends by
a pressure wire fitting or other connection that satisfies NEC
or CEC and local codes.
Consult a building inspector or licensed
electrician for more information.
PERFORMANCE DATA
Operating Pressure: . . . . . . . . . . . . . . . .25–125 psi (172–862 kPa)
Operating Temperature: . . . . . . . . . . . . . . .35°–100° F (2°–38° C)
Rated Flow: . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 gpm (19 lpm)
Replacement Cartridge . . . . . . . . . . . . . . . . . . . . . . . .Model RS4
INSTALLATION INSTRUCTIONS
Tools and Fittings Needed:
For Installation with Copper Pipe:
• Tubing cutter (preferred) or hacksaw to cut into pipes
• 10” Adjustable wrench or 1-1/4” open end wrench to tighten
locknuts
For Installation with Galvanized Pipe:
• 1 Union plus a 2” Nipple
• Pipe cutter or hacksaw to cut into pipes
• Pipe wrenches to tighten union and nipple
• Pipe threader (some hardware stores will thread pipe for you at
purchase – one approach would be to remove one section of pipe
and purchase two sections for reinstallation that, together, meas-
ure 8” shorter than the piece you removed.)
• Paint thinner or solvent (NOT gasoline) to clean new threads
• Teflon tape without adhesive backing for sealing joints.
All Installations
1. Turn off the main water supply valve and open a faucet on the
lowest level of your home to drain the system.
2. Cut out the template (located on the bottom of Page 4) that
matches your system’s piping.
3. Place the template on the pipe and cut the pipe as shown in
Figure 2.
NOTICE:
Have a bucket handy to catch any water that may come
out of the pipe.
4.
Copper pipe:
Go to Step 5 under “Installation on 3/4” Copper
Pipe”.
Galvanized pipe:
Go to Step 5 under “Installation on
Galvanized Pipe”.
Figure 1
3624 1199
6.5" (Copper) or 8" (Galvanized)
Figure 2
OMNI Replacement Cartridges
Reduces
Ave.
Nominal
Sediment
Filter
Cartr.
Flow
Micron
& Rust
Cartridge
Life
Rate
Rating
Particles
RS4*
3 Mos
5 gpm
5
X
* Comes with U27.
